9961678 has 8 divisors (see below), whose sum is σ = 15195960. Its totient is φ = 4896360.

The previous prime is 9961673. The next prime is 9961687. The reversal of 9961678 is 8761699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9961673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42093 + ... + 42328.

It is an arithmetic number, because the mean of its divisors is an integer number (1899495).

Almost surely, 2^9961678 is an apocalyptic number.

9961678 is a deficient number, since it is larger than the sum of its proper divisors (5234282).

9961678 is a wasteful number, since it uses less digits than its factorization.

9961678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84482.

The product of its digits is 163296, while the sum is 46.

The square root of 9961678 is about 3156.2126037389. The cubic root of 9961678 is about 215.1679092155.

The spelling of 9961678 in words is "nine million, nine hundred sixty-one thousand, six hundred seventy-eight".